This is one of my favourite DAI performances. The song is Kagaku no Yoru (科学の夜, Night of Science) and was performed at Budokan in 2004.

Do As Infinity ~ Kagaku no Yoru

Do As Infinity ~ Kagaku no Yoru

42MB 6:27 H.264/AVC 480×272 PSP Ready

(download | thm | preview)

I really like this song and I dig the long “outro” in this performance, especially the drums.

The video is from the Live in Japan concert DVD.